CA445759A - Roly-poly device - Google Patents

Roly-poly device

Info

Publication number
CA445759A
CA445759A CA445759A CA445759DA CA445759A CA 445759 A CA445759 A CA 445759A CA 445759 A CA445759 A CA 445759A CA 445759D A CA445759D A CA 445759DA CA 445759 A CA445759 A CA 445759A
Authority
CA
Canada
Prior art keywords
roly
poly device
poly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA445759A
Other languages
French (fr)
Inventor
Marion Hoover Frank
Ehret Hoover Edwin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOOVER PRODUCTS
Original Assignee
HOOVER PRODUCTS
Publication date
Application granted granted Critical
Publication of CA445759A publication Critical patent/CA445759A/en
Expired legal-status Critical Current

Links

CA445759A Roly-poly device Expired CA445759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA445759T

Publications (1)

Publication Number Publication Date
CA445759A true CA445759A (en) 1947-12-23

Family

ID=35563420

Family Applications (1)

Application Number Title Priority Date Filing Date
CA445759A Expired CA445759A (en) Roly-poly device

Country Status (1)

Country Link
CA (1) CA445759A (en)

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